Line Counter & Line Tools

Work with lists one line at a time: see how many entries you have, how many are blank or repeated, and reorganise them without a spreadsheet.

Your text

0Total lines

0Non-empty

0Empty

0Unique

Runs entirely in your browser. Your input and files are not uploaded to any server.

How to use

Paste a list with one item per line.
Read the counts of total, non-empty, empty and unique lines.
Apply an action such as sorting, numbering or reversing, then copy or download the result.

Examples

Email list from several sources

Sort A→Z to group similar entries, then use Remove Duplicate Lines to clean it up.

Numbered instructions

Add line numbers to turn plain lines into “1. …, 2. …”.

Privacy

Runs entirely in your browser. Your input and files are not uploaded to any server. See the privacy policy for what is stored in your browser (favorites and history only). Privacy policy

Check it yourself: open your browser’s developer tools, select the Network tab and use the tool. Your file never appears in an upload request. Once this page is saved for offline use, you can also disconnect from the internet and keep working. Ads and anonymous visit statistics, when enabled, make their own requests, but they never receive your files or text.

Frequently asked questions

How is sorting done for Arabic?

Sorting uses Intl.Collator for the page language, which follows the alphabetical order of that language rather than raw character codes.

Which line endings are supported?

Windows (CRLF), Unix (LF) and old Mac (CR) line endings are all recognised. Output uses LF.

Related tools

All Text & Writing Tools

Remove Duplicate LinesRemove duplicate lines from lists while keeping the original order.

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CSV CleanerClean CSV files in your browser: trim cells, remove empty and duplicate rows, change the delimiter and preview the table before downloading.

Character CounterCount characters with and without spaces, letters, digits, emoji-aware graphemes and UTF-8 bytes.

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